The two years prior to World War I in the region of the Balkans saw the rising of Serbian nationalistic Groups. Later came the assassination of the Archduke Ferdinand in the Balkan City of Sarajevo, main cause of the war.
They were all looking for freedom, I know they knew the importance of trade, and the role of foreign governments.
The best answer is D. All of these are examples of minorities. I hope this helped
About 1.6 million years ago, the world began to experience ice ages. In response to these changes, early humans migrated from Africa to Asia and eventually to India, China, Southeast Asia, and Europe. They had to adapt to their new environment.